Dataform 2.7 (branch MOODLE_27_STABLE) is compatible with all Moodle 2.7.x releases. The branch is behind Dataform 2.8 or higher and is not currently updated so a few features may be missing or misbehaving by comparison. hth
Dataform (plugin)
Dataform Error Validation
This discussion has been locked so you can no longer reply to it.